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CVE-2019-8720

WebKitGTK Memory Corruption

8.8 HIGHActively exploited (CISA KEV)EPSS 1.56%
  1. Published6 Mar 2023
  2. Added to CISA KEV23 May 2022
  3. Remediation due13 Jun 2022
Actively exploited (CISA KEV)

WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.

Added to KEV: 23 May 2022Federal remediation due: 13 Jun 2022

Description

A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Redhat Codeready Linux Builder8.0
Redhat Codeready Linux Builder Eus8.4 · 8.6
Redhat Codeready Linux Builder For Arm64 Eus8.0 · 8.4 · 8.6
Redhat Codeready Linux Builder For Ibm Z Systems Eus8.0 · 8.4 · 8.6
Redhat Codeready Linux Builder For Power Little Endian Eus8.0 · 8.4 · 8.6
Webkitgtk< 2.26.0
Wpewebkit Wpe Webkit< 2.26.0
Redhat Enterprise Linux8.0
Redhat Enterprise Linux Desktop7.0
Redhat Enterprise Linux Eus8.4 · 8.6
Redhat Enterprise Linux For Arm64 Eus8.6
Redhat Enterprise Linux For Ibm Z Systems7.0 · 8.0
Redhat Enterprise Linux For Ibm Z Systems Eus8.4 · 8.6
Redhat Enterprise Linux For Power Big Endian7.0
Redhat Enterprise Linux For Power Little Endian7.0 · 8.0
Redhat Enterprise Linux For Power Little Endian Eus8.4 · 8.6
Redhat Enterprise Linux For Scientific Computing7.0
Redhat Enterprise Linux Server7.0
Redhat Enterprise Linux Server Aus8.4 · 8.6
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions8.4 · 8.6
Redhat Enterprise Linux Server Tus8.4 · 8.6
Redhat Enterprise Linux Server Update Services For Sap Solutions8.4 · 8.6
Redhat Enterprise Linux Workstation7.0

Remediation

Fixed in
Webkitgtk≥ 2.26.0
Wpewebkit Wpe Webkit≥ 2.26.0

References

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Frequently asked

Is CVE-2019-8720 being actively exploited?

Yes. CVE-2019-8720 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 23 May 2022.

How severe is CVE-2019-8720?

CVE-2019-8720 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.56% probability of exploitation.

Which products are affected by CVE-2019-8720?

Affected products include Redhat Codeready Linux Builder, Redhat Codeready Linux Builder Eus, Redhat Codeready Linux Builder For Arm64 Eus, Redhat Codeready Linux Builder For Ibm Z Systems Eus, Redhat Codeready Linux Builder For Power Little Endian Eus, and 18 more.

How do I fix CVE-2019-8720?

Upgrade affected software to a fixed version, for example Webkitgtk 2.26.0, Wpewebkit Wpe Webkit 2.26.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2019-8720 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.